Check	Type	Installation	Feature	Image	Part No.	Directional	Dimensions (mm)			Sensitivity(dB)	Voltage (V)	Frequency (Hz)	S/N Ratio(dBA)
							dia.(Ø)/L	W	H
	Type MEMS ECM (Microphone)	Installation SMD Pin Contact Wire Wire (Waterproof) Terminal Hands-free Others	Feature Waterproof (IP57) Waterproof (IP67) Waterproof (IP6K9K) High SNR High Sensitivity Hi AOP (130dB SPL)			Directional Omnidirectional Unidirectional Noise Cancelling	Dimensions (mm)-Leight under 4 4+ 5+ 6+ 7+	Dimensions (mm)-Wide		Sensitivity (dB) under-40 -40+ -30+ -20+	Voltage (V) under 2 2+ 3+ 4+	Frequency under 10K 10K+ 15K+ 20K+	S/N Ratio(dBA) under 60 60+ 65+ 70+
	Type:ECM (Microphone)	Installation:Terminal	Feature:HI AOP (130dB SPL), Waterproof (IP67)		KEEG1542TBL-KA1	*Omnidirectional	Dimensions (mm):4.00	*	*1.50	Sensitivity (V):-42±3dB	Voltage (V):2.00	Frequency (Hz):100~20,000	S/N Ratio(dBA):60